[weblayer, skew tests] Refresh skew tests for M88

This CL will add skew tests for version 88.0.4324.99.

R=tikuta@chromium.org

Bug: 1041619
Change-Id: Iadc8d18152d8694dc1ef40673353f144af502a34
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2638493
Commit-Queue: Rakib Hasan <rmhasan@google.com>
Auto-Submit: Rakib Hasan <rmhasan@google.com>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845073}

testing/buildbot/variants.pyl

@@ -337,18 +337,18 @@
       '--client-outdir',
       '.',
       '--implementation-outdir',
-      '../../weblayer_instrumentation_test_M87/out/Release',
+      '../../weblayer_instrumentation_test_M88/out/Release',
       '--test-expectations',
       '../../weblayer/browser/android/javatests/skew/expectations.txt',
-      '--impl-version=87',
+      '--impl-version=88',
     ],
-    'identifier': 'Implementation Tests For 87.0.4280.150',
+    'identifier': 'Implementation Tests For 88.0.4324.99',
     'swarming': {
       'cipd_packages': [
         {
           'cipd_package': 'chromium/testing/weblayer-x86',
-          'location': 'weblayer_instrumentation_test_M87',
-          'revision': 'version:87.0.4280.150',
+          'location': 'weblayer_instrumentation_test_M88',
+          'revision': 'version:88.0.4324.99',
         }
       ],
     },
@@ -404,20 +404,20 @@
       '--test-runner-outdir',
       '.',
       '--client-outdir',
-      '../../weblayer_instrumentation_test_M87/out/Release',
+      '../../weblayer_instrumentation_test_M88/out/Release',
       '--implementation-outdir',
       '.',
       '--test-expectations',
       '../../weblayer/browser/android/javatests/skew/expectations.txt',
-      '--client-version=87',
+      '--client-version=88',
     ],
-    'identifier': 'Client Tests For 87.0.4280.150',
+    'identifier': 'Client Tests For 88.0.4324.99',
     'swarming': {
       'cipd_packages': [
         {
           'cipd_package': 'chromium/testing/weblayer-x86',
-          'location': 'weblayer_instrumentation_test_M87',
-          'revision': 'version:87.0.4280.150',
+          'location': 'weblayer_instrumentation_test_M88',
+          'revision': 'version:88.0.4324.99',
         }
       ],
     },